the accountability review led by admiral mike mullen and ambassador thomas pickering found, among many failures, that stevens' repeated requests for better security never made it to clinton's desk. and representatives and senators pressed her on whether the administration covered up the nature of the terrorist attack. >> clinton: the fact is, we have four dead americans. was it because of a protest, or was it because of guys going out for a walk and deciding they'll go kill some americans? what difference... at this point, what difference does it make? it is our job to figure out what happened and do everything we can to prevent it from happening again, senator. >> kroft: i want to talk about the hearings this week. you had... you had a very long day. also, how is your health? >> clinton: oh, it's great. it's great. now, you know, i still have some lingering effects from falling on my head and having the blood clot. but, you know, the doctors tell me that that will all recede. and so, thankfully, i'm, you know, looking forward to being at full speed. >> kroft: right. i noticed your gla